Chia seeds have earned their place as a pantry staple for health-conscious eaters. From smoothie bowls to overnight puddings, these tiny black-and-white seeds have been celebrated for their rich nutrient profile and versatility but according to Dr. Kunal Sood, MD, a Maryland-based physician who shared his warning in an Instagram video, the way you consume chia seeds matters just as much as the fact that you’re eating them. In some cases, eating them the wrong way could even be life-threatening.Native to Central America, chia seeds have been part of human diets for centuries, once prized by the Aztecs and Mayans for their stamina-boosting properties. Modern nutrition science has confirmed what ancient cultures already knew, chia seeds are incredibly nutrient-dense. Just an ounce of chia seeds has about 10 grams of fiber, 5 grams of plant-based protein, and a high dose of omega-3 fatty acids. They’re also packed with antioxidants, calcium, magnesium, and phosphorus.These nutrients work together to support heart health, improve digestion, aid weight management, and even help stabilize blood sugar. The seeds’ high soluble fiber content can slow digestion, keeping you full longer and helping regulate cholesterol levels but as Dr. Sood points out, the same qualities that make chia seeds beneficial can also create risks if they’re consumed improperly.One of chia seeds’ most unique properties is their ability to absorb liquid. When placed in water or another liquid, they can expand to up to 12 times their original size, forming a gel-like coating. This is the magic behind chia pudding and the reason why chia seeds are a go-to thickener in vegan recipes.However, this expansion ability isn’t just a kitchen trick, it also happens inside the body. If the seeds are eaten dry and then encounter moisture in the throat or digestive tract, they can quickly swell, potentially creating a blockage.Dr. Sood warns, “Chia seeds absorb a lot of liquid — sometimes up to 12 times their weight. That’s why you should never eat them dry and immediately chase them with water. They can expand before reaching the stomach and get stuck, especially if they clump together.”In his video, Dr. Sood referenced a rare but alarming case of a 39-year-old man who swallowed a tablespoon of dry chia seeds, followed by a glass of water. Instead of passing smoothly into the stomach, the seeds expanded and gelled together in his esophagus, blocking his airway. Emergency medical intervention was required to clear the obstruction.While such cases are uncommon, they illustrate the importance of understanding how chia seeds behave once ingested — and why preparation matters.Why Soaking Chia Seeds Makes Them Safer?Soaking chia seeds before consumption not only prevents dangerous blockages, but it also enhances their digestibility. When seeds are pre-hydrated in water, milk, or juice for about 10–15 minutes, they fully expand outside of the body. This means they arrive in your stomach already in their gel form, reducing any risk of swelling mid-swallow.Pre-soaking also starts to break down the seeds’ outer shell, making it easier for your body to access their nutrients. The gel-like texture they form slows down carbohydrate absorption, which can help keep blood sugar levels steady.Best Way To Eat Chia SeedsFor most healthy adults, chia seeds are perfectly safe when prepared properly. Dr. Sood recommends starting with small amounts — a teaspoon or two — especially if you’re not used to a high-fiber diet. Too much too soon can lead to bloating, gas, or constipation, because chia seeds absorb moisture from your digestive tract.Hydrate. If you blend chia seeds into smoothies, oatmeal, or yogurt, ensure that there's sufficient liquid for them to soak up. If you're including them in baked foods, the moisture in the batter is often enough, but you must drink plenty of water during the day.Individuals with certain medical conditions — including swallowing disorders, narrowing of the gastrointestinal tract, or a history of esophageal strictures — ought to be particularly careful and consult their physician prior to incorporating chia seeds into their nutrition.How To Add Chia Seeds in Everyday Eating?After being soaked the right way, chia seeds can be incorporated into endless dishes. Some of the most popular include:Overnight almond milk chia pudding with fresh fruitBlended with smoothies for added nutrition and thicknessTopped on yogurt or oatmealAdded to salad dressings as a natural thickenerBaked in vegan recipes as an egg substitute (1 tablespoon chia seeds + 3 tablespoons water = 1 "egg")Since they're almost flavorless, chia seeds lend themselves to both sweet and savory recipes.Chia seeds are a nutritional powerhouse, delivering a concentrated amount of fiber, healthy fats, protein, and antioxidants in an extremely small package but as Dr. Sood’s warning makes clear, their super-absorbent nature means they must be handled with care.Never eat large spoonfuls of dry chia seeds and wash them down with liquid. Instead, soak them first to prevent dangerous swelling in the throat or esophagus. Pairing chia consumption with adequate hydration will not only keep you safe, but also maximize the seeds’ digestive and nutritional benefits.With chia seeds, it’s not just what you eat it’s how you eat it. Prepared properly, they can be a safe, delicious, and versatile addition to your diet. Handled carelessly, they can pose risks that are entirely avoidable.